Qhov zoo thiab qhov tsis zoo ntawm iav fiber reinforced PA thiab kev daws teeb meem ntawm kev txhaj tshuaj molding

Qhov zoo ntawm iav fiber ntau PA

1. Tom qab ntxiv cov iav fiber ntau rau nylon, cov khoom siv hluav taws xob, cov khoom siv hluav taws xob, cov khoom siv hluav taws xob, kev ruaj ntseg, thiab kev laus ntawm cov nylon hloov tau zoo dua, thiab lub zog qaug zog yog 2.5 npaug ntawm cov nylon tsis zoo.

2. Vim hais tias cov iav fiber ntau yuav tau taw qhia raws cov kev taw qhia ntawm kev khiav thaum lub sij hawm txhaj tshuaj molding txheej txheem, cov khoom siv kho tshuab thiab shrinkage yuav txhim kho nyob rau hauv cov kev taw qhia ntawm orientation, uas ua rau cov khoom deformation thiab warping.

3. Nyob rau hauv cov txheej txheem ntawm kev txhaj tshuaj molding, cov iav fiber ntau nkag mus rau saum npoo ntawm cov khoom siv yas, ua rau cov khoom nto ntawm cov khoom ua kom ntxhib heev thiab qhov chaw-spotted, xws li ntab fiber ntau, cov khoom paj, thiab lwm yam tsis xws luag.

4. Qhov ntau dua ntawm cov iav fiber ntau ntxiv, qhov ntau dua qhov hnav ntawm plasticizing Cheebtsam ntawm kev txhaj tshuaj molding tshuab, feem ntau ntsia hlau hnav.

5. Yuav muaj peev txheej tsawg.

Teeb meem thiab kev daws teeb meem hauv kev txhaj tshuaj molding

Cov txheej txheem ntawm kev txhaj tshuaj molding tuaj yeem yog vim kev kho cov khoom siv tsis zoo, cov khoom lag luam lossis pwm tsim tsis tsim nyog, tus neeg teb xov tooj tsis nkag siab qhov tsim nyog txhaj tshuaj molding nylon txheej txheem kev khiav hauj lwm los yog vim yog vim li cas, feem ntau ua rau cov khoom tsim tawm ntau yam tsis xws luag. Nyob rau hauv zus tau tej cov iav fiber reinforced nylon yog qhov feem ntau ua rau saum npoo yog qhov tsis zoo, feem ntau yog rau iav fiber ntau nthuav tawm, hlawv, cov khoom paj, dents, nyiaj kab, ripples, thiab dhau npoo.

1. Tsom iav fiber ntau

Piv nrog rau nylon, qhov fluidity ntawm iav fiber ntau yog qhov phem dua, thiab cov khoom ntws hauv pwm ntawm txoj kev ntws mus rau pem hauv ntej los ntawm nruab nrab ntawm cov qhaub cij thiab tig tawm sab nraud ntawm ob sab. Yog li ntawd, lub zoo liquidity yuav tsum tau khiav mus rau pem hauv ntej, thaum lub phem liquidity yuav nyob rau saum npoo ntawm pwm.

Kev daws ntawm iav fiber ntau raug yog raws li nram no:

(1) Ua kom nrawm nrawm. Tom qab nce qhov ceev, txawm hais tias qhov khiav ceev ntawm iav fiber ntau thiab nylon yog qhov sib txawv, piv nrog cov kua nplaum ceev ceev, qhov sib piv ntawm qhov sib txawv ntawm qhov sib txawv me me heev.

(2) Ua kom cov pwm kub. Txhawm rau kom cov pwm kub nce yog txo qhov kev sib cuag ntawm cov iav fiber ntau thiab pwm, ua kom qhov sib txawv ntawm cov iav fiber ntau thiab nylon me me li sai tau, ua rau nruab nrab txheej ntawm cov khoom ntws kom tuab li sai tau, thiab lub plhaub. txheej ntawm ob sab kom nyias li sai tau.

(3) txo qhov ntsuas chamber kub, thiab txo cov sol. Qhov no txo ​​qhov muaj peev xwm ntawm kev sib cais ntawm nylon thiab fiberglass.

(4) So cov ntaub nylon raw khoom los kho thiab tshem tawm cov roj seem lossis tso tawm tus neeg sawv cev ntawm qhov chaw.

(5) Txau lossis so cov nylon thiab iav fiber ntau kho tus neeg saib xyuas ntawm cov khoom siv los kho rau 5-10 microns qhuav zaj duab xis, sawv ntsug rau 5-10 feeb.

(6) Nws yog qhov zoo dua los ua kom qhuav lub coated workpiece ntawm 80 degree rau 30 feeb.

2. Hlawv

Nyob rau hauv cov txheej txheem filling, tsis yog tsuas yog cov huab cua qub nyob rau hauv pwm kab noj hniav tab sis kuj cov roj volatile tsim nyob rau hauv cov txheej txheem molding. Thaum lub sij hawm high-speed txhaj tshuaj, cov pa roj yog compressed thiab ua rau kub siab, uas yog ib qho yooj yim ua rau lub zos carbonization los yog scorching ntawm qhov chaw.

Feem ntau, cov kev ntsuas hauv qab no tau ua:

Kho cov khoom noj ceev, txo cov pwm kub, thiab ziab cov ntaub ntawv nylon hloov kho ua ntej siv lossis siv cov ntaub ntawv hloov kho nylon yam tsis tau ziab.

3. Tso paj

Yog tias koj yuav tsum tau txais cov iav fiber ntau reinforced nylon, nws raug nquahu kom siv twin-ntsia hlau extruder granulation, rau kev xaiv iav fiber ntau, koj tuaj yeem xaiv cov nylon tshwj xeeb ntxiv iav fiber ntau, tib lub sijhawm ntxiv tus neeg sawv cev sib txuas lossis cov khoom sib txuas, graft hom compatibilizer ntxiv tus nqi yog li 3 feem pua. Kuj tseem tuaj yeem ntxiv txog 0.6 feem pua ​​​​ntawm cov silicone series ntawm auxiliaries, thiab cov nyhuv saum npoo yuav zoo tuaj.

4. Khob

Qhov ua tau ntawm cov dents thiab lawv cov kev daws teeb meem yog raws li hauv qab no:

(1) Yog tias cov khoom ntim tsis txaus lossis cov khoom noj tsis txaus, kev pub mis yuav tsum tau nce lossis qhib lub rooj noj mov;

(2) Lub qhov rooj tsis zoo lossis lub rooj vag asymmetry, yuav tsum tau kho raws li qhov xwm txheej tshwj xeeb;

(3) Yog hais tias lub diverter thiab lub rooj vag tsis txaus los yog me me, yuav tsum tau ntau dua diverter thiab rooj vag loj;

(4) Yog tias cov phab ntsa tuab ntawm cov khoom tsis sib xws, cov pwm yuav tsum tau hloov kho lossis kev txhaj tshuaj yuav tsum tau nce ntxiv.

5. iav fiber ntau nyiaj grain

Cov qauv nyiaj tsis zoo xws li cov hlau ci ntsa iab tshwm nyob rau saum npoo ntawm qhov chaw nrog cov iav fiber ntau ntxiv, tshwj xeeb tshaj yog nyob ze ntawm cov khoom ntws ntawm qhov tsa thiab cov kab sib koom ua ke uas cov kua dej sib ntsib dua.

Qhov ua rau thiab kev daws teeb meem ntawm nyiaj kab txaij yog raws li nram no:

(1) Yog tias qhov kev txhaj tshuaj qis dhau lawm, qhov kev txhaj tshuaj yuav tsum tau nce ntxiv thiab ntau theem kev txhaj tshuaj (qeeb ua ntej thiab nrawm tom qab) yuav tsum tau txiav txim siab;

(2) pwm kub tsawg dhau, yuav tsum ua kom pwm kub;

(3) Yog hais tias qhov kub ntawm melting tsawg dhau lawm, qhov kub ntawm lub thoob yuav tsum tau nce thiab lub nraub qaum ntawm cov ntsia hlau yuav tsum tau nce;

(4) Lub melting kub hloov yog loj, yuav tsum ua kom lub hau ntswj rov qab siab, txo cov ntsia hlau ceev, siv lub thoob ntev kom luv luv mus.

6. Riples

Qhov ua tau ntawm ripples thiab lawv cov kev daws teeb meem yog raws li hauv qab no:

(1) Lub sprue yog me me, ua rau cov tshuaj tsuag tshwm sim hauv pwm kab noj hniav, qhov loj ntawm sprue yuav tsum tau hloov los yog cov tshuaj tsuag yuav tsum tau txo;

(2) lub ndlwg channel yog tortuous, nqaim, roughness yog tsis zoo, cov khoom ntawm cov roj hmab tsis txaus, yuav tsum tau hloov lub ntws channel thiab txo nws roughness, thiaj li hais tias cov roj hmab mov txaus;

(3) Lub workpiece seem thickness tsis sib xws, thaj tsam loj, cov duab yog complex, lub workpiece yuav tsum tau teem kom lub thickness ntawm seem yog tib yam, los yog tshem tawm cov protruding phaj thiab tsa kab ntawm lub workpiece;

(4) Yog tias cov pwm cua txias tsis tsim nyog lossis pwm qhov kub tsis zoo, cov cua txias yuav tsum tau hloov kho lossis pwm kub yuav tsum tau nce;

(5) Yog hais tias qhov kub thiab txias, pwm, los yog lub nozzle kub yog tsawg, lub melt tube kub thiab nozzle kub yuav tsum tau nce;

(6) Yog tias qhov kev txhaj tshuaj siab thiab ceev me me dhau lawm, qhov ntsuas qhov sib thooj yuav tsum tau nce ntxiv.

7. Tshaj ntug

Ib tug nyias ya ntug yuav tshwm nyob rau ntawm txoj kab parting los yog sealing nto ntawm pwm. Feem ntau, cov dej ntws tawm tshwm sim vim tias lub tshuab clamping quab yuam tsis txaus thaum lub sijhawm txhaj tshuaj thiab lub zog tuav kom kaw thiab kaw cov pwm raws txoj kab sib cais.

Cov kev ntsuas hauv qab no tuaj yeem ua tau:

(1) Ua kom lub zog clamping;

(2) Txo qhov kev txhaj tshuaj nrawm thiab txais yuav ntau theem txhaj tshuaj (ceev-slow);

(3) Ib me ntsis ua ntej voltage tuav hloov;

(4) txo qhov kub ntawm lub thoob;

(5) Txo qhov kub ntawm phab ntsa;

(6) Txo qhov tuav tuav.